patrolling off libya's coast, this as the u.s. gets ready to hand over control of the no fly zone to the alliance. whatever that alliance is. we don't know at this time. in the meantime pro car davi forces ratchet up attacks in an eastern city of that country, stopping rebel groups there, but the international air strikes continue and now we have reports that those attacks forced pro qaddafi forces to withdraw tanks from another rebel-held city in the west. a whole lot goes on there today, jon. jon: the libyan leader remains as defiant as ever, appearing from his compound in tripoli and vowing to win the historic battle. now there's word, though, that mommar qaddafi may be planning his exit strategy. secretary of state hillary clinton, weighing in on that on abc's "world news with diane sawyer". >> this is what we hear from so many sources, diane, it is a constanto. >> today? >> today, yesterday, the day before. some of it, i'll be very, you know -- it's my personal opinion -- some of it is theater. a lot of it is just the way he bee haves. it's somewhat unpredictable. but some of